12686934 has 32 divisors (see below), whose sum is σ = 27465984. Its totient is φ = 3883680.

The previous prime is 12686923. The next prime is 12686939. The reversal of 12686934 is 43968621.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12686892 and 12686901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12686939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23997 + ... + 24519.

It is an arithmetic number, because the mean of its divisors is an integer number (858312).

Almost surely, 2^12686934 is an apocalyptic number.

12686934 is an abundant number, since it is smaller than the sum of its proper divisors (14779050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12686934 is a wasteful number, since it uses less digits than its factorization.

12686934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 62208, while the sum is 39.

The square root of 12686934 is about 3561.8722604832. The cubic root of 12686934 is about 233.2306164671.

The spelling of 12686934 in words is "twelve million, six hundred eighty-six thousand, nine hundred thirty-four".